Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/75-17 | 285/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.7 (754.3) | 33.83 (859.3) | 4.13 (105) 13.9% |
| Width inches (mm) | 8.46 (215) | 11.22 (285) | 2.76 (70) 32.6% |
| Circum. inches (mm) | 93.3 (2369.7) | 106.28 (2699.57) | 12.99 (329.87) 13.9% |
| Sidewall Height inches (mm) | 6.35 (161.25) | 8.42 (213.75) | 2.07 (52.5) 32.6% |
| Revolutions per mile (km) | 679.13 (421.99) | 596.15 (370.43) | -82.98 (-51.56) -12.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.78 mph (36.67 km/h) |
| 25 mph (40.23 km/h) | 28.48 mph (45.83 km/h) |
| 30 mph (48.28 km/h) | 34.18 mph (55 km/h) |
| 35 mph (56.33 km/h) | 39.87 mph (64.17 km/h) |
| 40 mph (64.37 km/h) | 45.57 mph (73.33 km/h) |
| 45 mph (72.42 km/h) | 51.26 mph (82.5 km/h) |
| 50 mph (80.47 km/h) | 56.96 mph (91.67 km/h) |
| 55 mph (88.51 km/h) | 62.66 mph (100.84 km/h) |
| 60 mph (96.56 km/h) | 68.35 mph (110 km/h) |
| 65 mph (104.61 km/h) | 74.05 mph (119.17 km/h) |
| 70 mph (112.65 km/h) | 79.74 mph (128.34 km/h) |
| 75 mph (120.7 km/h) | 85.44 mph (137.5 km/h) |
| 80 mph (128.75 km/h) | 91.14 mph (146.67 km/h) |
| 85 mph (136.79 km/h) | 96.83 mph (155.84 km/h) |
| 90 mph (144.84 km/h) | 102.53 mph (165 km/h) |
| 95 mph (152.89 km/h) | 108.22 mph (174.17 km/h) |
| 100 mph (160.93 km/h) | 113.92 mph (183.34 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1517 | 1762 | 1898 | 1982 | 2072 | 2137 | 2208 | 2292 | 2408 | 2524 | 2653 | 2757 | 2944 | 3150 | 3312 | 3415 | 3473 | 3686 | 3983 | 4629 |
Better Fuel Economy Factory Ratios Increased Power
